import Vue from 'vue'
import VueRouter, { RouteConfig } from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cates from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Goods from '../components/goods/Goods.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/Order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const routes = [
  { path: '/',redirect:'/login' },
  { path: '/login',name: 'Login',component: Login },
  { path: '/home',name: 'Home',component: Home ,redirect:'/welcome',
    children:[{ path:'/welcome',name:'Welcome',component: Welcome },
              { path:'/users',name:'Users',component: Users},
              { path:'/rights',name:'Rights',component: Rights },
              { path:'/roles',name:'Roles',component: Roles },
              { path:'/categories',name:'Cates',component: Cates },
              { path:'/params',name:'Params',component: Params },
              { path:'/goods',name:'Goods',component: Goods },
              { path:'/goods/add',name:'Add',component: Add },
              { path:'/orders',name:'Order',component: Order },
              { path:'/reports',name:'Report',component:Report},
            ]
  },
]

const router = new VueRouter({
  routes
})

router.beforeEach((to,from,next)=>{
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行 next('/login') 强制跳转
  if(to.path === '/login') return next();
  // 获取 token
  const tokenStr=window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})


export default router
